Karen W Andrews

Summary

Affiliation: Agricultural Research Service
Country: USA

Publications

  1. ncbi The caffeine contents of dietary supplements commonly purchased in the US: analysis of 53 products with caffeine-containing ingredients
    Karen W Andrews
    Nutrient Data Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, US Department of Agriculture, Beltsville, MD, USA
    Anal Bioanal Chem 389:231-9. 2007

Detail Information

Publications1

  1. ncbi The caffeine contents of dietary supplements commonly purchased in the US: analysis of 53 products with caffeine-containing ingredients
    Karen W Andrews
    Nutrient Data Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, US Department of Agriculture, Beltsville, MD, USA
    Anal Bioanal Chem 389:231-9. 2007
    ..Lot-to-lot variability (n = 2 or 3) for caffeine in most products (72%) was less than 10%...